• Year
  • 1955/1956
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 87029
    • alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
    • Brand: Rotstern

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 5
  • Number of Transistors
  • Main principle
  • Superheterodyne (common); ZF/IF 460 kHz; Export model
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Details
  • Changer (Record changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 127; 155; 220; 240 Volt
  • Loudspeaker
  • 3 Loudspeakers
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Rio 56 4375 - Blaupunkt Ideal, Berlin,
  • Shape
  • Console with Push Buttons.
  • Dimensions (WHD)
  • 600 x 770 x 390 mm / 23.6 x 30.3 x 15.4 inch
  • Notes
  • Blaupunkt Rio 56 4375 is an export model with 1 BC and 4 SW band covering 11 to 133 m, with band spread tuning on SW.

  • Source of data
  • -- Original-techn. papers.

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